51634255243602 has 32 divisors (see below), whose sum is σ = 104239588147200. Its totient is φ = 17049983439888.

The previous prime is 51634255243561. The next prime is 51634255243603. The reversal of 51634255243602 is 20634255243615.

It is a super-2 number, since 2×51634255243602² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51634255243603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50910202 + ... + 51914517.

It is an arithmetic number, because the mean of its divisors is an integer number (3257487129600).

Almost surely, 2^{51634255243602} is an apocalyptic number.

51634255243602 is an abundant number, since it is smaller than the sum of its proper divisors (52605332903598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51634255243602 is a wasteful number, since it uses less digits than its factorization.

51634255243602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102825510.

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 51634255243602 in words is "fifty-one trillion, six hundred thirty-four billion, two hundred fifty-five million, two hundred forty-three thousand, six hundred two".